package java_012_everyday2;



public class PerfectNumber {
	public static void main(String[] args) {
		for (int i=1;i<=1000;i++){
			int sum =0;

			for(int j=1;j<i;j++){
				if (i%j==0){
					sum = sum +j;
				}
			}

			if(sum==i){
				System.out.print(i+" ");
			}
		}
	}
}
